8. MULTI BEAM SONAR DFF-3D
8-9
8.4.7 How to show or hide the scale box
The scale box, shown at the bottom-left corner on the display, shows depth, current
range, and TX frequency. You can show the box as follows.
1. Tap the cross section display to show the pop-up menu.
2. Select [Scale Box] to show the scale box.
8.4.8 Availability of points and event marks registration, and go to a
point
For how to register points and event marks, see chapter 7.
The table below shows function availability according to latitude/longitude, heading
data presence or absence. If there is no latitude/longitude data, none of the functions
below are available.
For a multi function display, input PGN data. The PGN data available is as shown be-
low.
Latitude/longitude data
• 129025 Position, Rapid Update
• 129029 GNNS Position Data
Heading data
• 127237 Heading/Track Control
• 127250 Vessel Heading
• 130577 Direction Data
Latitude/Longitude / Heading data: YES
Latitude/Longitude: YES, Heading data: NO
Item Cross section
Point registration Yes
Go to point No
Event mark registration Yes
Item Starboard
Point registration No
Go to point No
Event mark registration Yes